134
FNCA52 TJSJ 261930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST SUN JUL 26 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-270800-
SOUTHEAST COASTAL PLAINS-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 20 20
TEMP (24H TREND) 74 (-3) 92 (+1) 74 92
RH % (24H TREND) 91 (+5) 52 (-5) 92 52
WIND 20FT/EARLY(MPH) E 14 E 14 E 11 E 17
WIND 20FT/LATE(MPH) NE 9 SE 16 E 9 SE 17
MIXING HGT(FT-AGL/MSL) 4870 4920
TRANSPORT WND (MPH) E 14 SE 18
VENT RATE (KT-FT) 58440 78720
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-270800-
SOUTHERN HILLS-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 50 10 30
TEMP (24H TREND) 70 (-4) 89 (+3) 70 90
RH % (24H TREND) 98 (+6) 59 (-7) 98 59
WIND 20FT/EARLY(MPH) E 12 E 11 E 9 E 13
WIND 20FT/LATE(MPH) NE 10 SE 12 E 8 SE 13
MIXING HGT(FT-AGL/MSL) 5620 5530
TRANSPORT WND (MPH) E 13 SE 17
VENT RATE (KT-FT) 61820 82950
DISPERSION 5 5
DSI 3 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-270800-
NORTH COASTAL PLAINS-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 50 60
TEMP (24H TREND) 74 (-3) 91 (+1) 73 92
RH % (24H TREND) 98 (+3) 61 (-7) 99 62
WIND 20FT/EARLY(MPH) E 17 E 13 E 11 E 14
WIND 20FT/LATE(MPH) E 11 E 17 SE 8 E 18
MIXING HGT(FT-AGL/MSL) 5010 5570
TRANSPORT WND (MPH) E 14 SE 16
VENT RATE (KT-FT) 60120 77980
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-270800-
NORTHERN HILLS-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 80 10 70
TEMP (24H TREND) 71 (-3) 90 (+1) 71 91
RH % (24H TREND) 99 (+2) 65 (-3) 99 63
WIND 20FT/EARLY(MPH) E 13 E 11 SE 9 E 12
WIND 20FT/LATE(MPH) E 9 E 13 SE 5 E 16
MIXING HGT(FT-AGL/MSL) 5800 6250
TRANSPORT WND (MPH) E 10 SE 13
VENT RATE (KT-FT) 52200 68750
DISPERSION 5 5
DSI 3 6 2 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-270800-
WEST COAST-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 50 10 40
TEMP (24H TREND) 72 (-3) 93 (+2) 74 93
RH % (24H TREND) 100 (+3) 59 (-5) 99 60
WIND 20FT/EARLY(MPH) E 10 E 11 E 9 E 16
WIND 20FT/LATE(MPH) E 10 SE 13 E 9 E 16
MIXING HGT(FT-AGL/MSL) 4570 4600
TRANSPORT WND (MPH) SE 9 SE 16
VENT RATE (KT-FT) 36560 64400
DISPERSION 5 5
DSI 3 5 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-270800-
EASTERN INTERIOR-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 60 60
TEMP (24H TREND) 72 (-4) 91 (+3) 72 91
RH % (24H TREND) 98 (+3) 59 (-7) 99 60
WIND 20FT/EARLY(MPH) E 12 E 11 SE 10 SE 14
WIND 20FT/LATE(MPH) E 9 SE 13 SE 11 SE 16
MIXING HGT(FT-AGL/MSL) 6620 6320
TRANSPORT WND (MPH) SE 13 SE 18
VENT RATE (KT-FT) 72820 101120
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-270800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 60 60
TEMP (24H TREND) 69 (-4) 86 (+5) 70 87
RH % (24H TREND) 100 (+3) 67 (-13) 100 68
WIND 20FT/EARLY(MPH) E 10 E 9 SE 8 E 13
WIND 20FT/LATE(MPH) E 6 SE 11 E 8 E 13
MIXING HGT(FT-AGL/MSL) 4540 4530
TRANSPORT WND (MPH) SE 13 SE 20
VENT RATE (KT-FT) 49940 77010
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-270800-
CENTRAL MOUNTAIN RANGE-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 80 0 60
TEMP (24H TREND) 68 (-4) 88 (+4) 68 88
RH % (24H TREND) 99 (+2) 67 (-7) 99 67
WIND 20FT/EARLY(MPH) E 8 E 9 SE 6 SE 11
WIND 20FT/LATE(MPH) E 8 SE 9 LGT/VAR E 11
MIXING HGT(FT-AGL/MSL) 6420 6350
TRANSPORT WND (MPH) SE 9 SE 13
VENT RATE (KT-FT) 51360 69850
DISPERSION 5 5
DSI 2 5 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-270800-
CAYEY MOUNTAIN RANGE-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 50
TEMP (24H TREND) 70 (-3) 86 (+3) 71 87
RH % (24H TREND) 100 (+1) 69 (-7) 100 69
WIND 20FT/EARLY(MPH) E 10 E 10 E 8 E 12
WIND 20FT/LATE(MPH) NE 8 SE 10 E 6 SE 12
MIXING HGT(FT-AGL/MSL) 5390 5230
TRANSPORT WND (MPH) SE 13 SE 18
VENT RATE (KT-FT) 59290 83680
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-270800-
VIEQUES-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 50 50
TEMP (24H TREND) 77 (-3) 91 (+2) 79 91
RH % (24H TREND) 94 (+3) 61 (-6) 92 61
WIND 20FT/EARLY(MPH) E 13 E 12 E 12 E 16
WIND 20FT/LATE(MPH) E 12 SE 11 E 13 E 16
MIXING HGT(FT-AGL/MSL) 3050 3240
TRANSPORT WND (MPH) E 14 SE 20
VENT RATE (KT-FT) 36600 55080
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-270800-
CULEBRA-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 60 60 50 40
TEMP (24H TREND) 78 (-2) 91 (+3) 78 92
RH % (24H TREND) 93 (+3) 61 (-9) 92 62
WIND 20FT/EARLY(MPH) E 13 E 12 E 13 E 17
WIND 20FT/LATE(MPH) E 11 SE 11 E 13 E 17
MIXING HGT(FT-AGL/MSL) 2800 3230
TRANSPORT WND (MPH) E 15 SE 20
VENT RATE (KT-FT) 36400 54910
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-270800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 0 10
TEMP (24H TREND) 74 (-3) 93 (+2) 74 92
RH % (24H TREND) 95 (+6) 55 (-5) 96 56
WIND 20FT/EARLY(MPH) E 11 E 16 E 12 E 20
WIND 20FT/LATE(MPH) E 11 SE 17 E 12 SE 20
MIXING HGT(FT-AGL/MSL) 4480 4700
TRANSPORT WND (MPH) E 16 SE 22
VENT RATE (KT-FT) 62720 89300
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-270800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 60 60 50 30
TEMP (24H TREND) 76 (-4) 90 (+3) 78 90
RH % (24H TREND) 95 (+5) 64 (-7) 94 66
WIND 20FT/EARLY(MPH) E 13 E 13 E 13 E 17
WIND 20FT/LATE(MPH) E 13 E 11 E 14 E 17
MIXING HGT(FT-AGL/MSL) 2780 3220
TRANSPORT WND (MPH) E 17 SE 21
VENT RATE (KT-FT) 41700 57960
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-270800-
ST CROIX-
330 PM AST SUN JUL 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 40 40
TEMP (24H TREND) 77 (-2) 90 (+2) 78 90
RH % (24H TREND) 94 (+1) 64 (-6) 94 65
WIND 20FT/EARLY(MPH) E 13 E 12 E 13 E 17
WIND 20FT/LATE(MPH) E 12 E 11 E 13 E 17
MIXING HGT(FT-AGL/MSL) 4440 4290
TRANSPORT WND (MPH) SE 13 SE 21
VENT RATE (KT-FT) 48840 77220
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page